Waldez Azevedo Gomes Junior (Brazil) – from May 2017 to November 2017
Kazuya Otani (USA, Carnegie Mellon) – from May 2017 to November 2017
Kapil Sawant (India, BITS Pilani) – from July to December 2017
Luigi Penco (Italy, La Sapienza University) – from October 2017 to February 2018